# RTST vs USDT Alert

The clearest difference is in-app purchases: RTST at none against USDT Alert's 2. RTST also leads on update cadence (daily vs every 8 days) and iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. USDT Alert sells 2 in-app purchases, starting at $9.99 per month. RTST asks for nothing beyond the download.

RTST ships an update daily, USDT Alert every 8 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RTST | USDT Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/usdt-alert/id6775806755/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 8 days |
| Monetization | — | Freemium |
| Size | 55 MB | 86 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IGI KOREA Co.,Ltd.](https://appshunter.io/developer/1640433106) | [ScanAI LLC](https://appshunter.io/developer/6775806757) |

## What reviewers say

### RTST

[App page](https://appshunter.io/ios/app/rtst/id6504899919)

**In-app purchases:** none


### USDT Alert

[App page](https://appshunter.io/ios/app/usdt-alert/id6775806755)

Receive instant push notifications for USDT transactions on monitored wallet addresses. Track multiple addresses with clear event details and quick setup for actionable updates.

**Highlights:** Real-time USDT wallet monitoring, Instant push notifications, Multi-address tracking, Clear activity view, Simple address management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $9.99 | per month |
| Yearly Membership | $89.99 | per year |


## Frequently asked questions

### Is RTST free?

RTST is free to download, with no in-app purchases.

### Is USDT Alert free?

USDT Alert is free to download, with in-app purchases available.

### Do RTST or USDT Alert have ads?

Neither RTST nor USDT Alert shows ads.

### Which is updated more often, RTST or USDT Alert?

RTST ships an update daily, and USDT Alert every 8 days. Most recently, RTST was updated on October 11, 2026 and USDT Alert on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*